package com.cwx.interceptor;

import com.cwx.pojo.User;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        User user = (User) request.getSession().getAttribute("user");

        if (user == null){
            request.setAttribute("msg","请先登录,在访问");
            response.sendRedirect("/admin");
            return false;
        }

        return true;
    }

}
